./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-98.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a20160bba21687cb57a07e35d1c7f0f20f9fc26125afd436a393ae4b40571e89 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 05:31:25,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 05:31:25,201 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 05:31:25,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 05:31:25,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 05:31:25,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 05:31:25,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 05:31:25,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 05:31:25,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 05:31:25,235 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 05:31:25,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 05:31:25,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 05:31:25,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 05:31:25,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 05:31:25,237 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 05:31:25,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 05:31:25,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 05:31:25,237 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 05:31:25,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 05:31:25,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 05:31:25,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 05:31:25,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 05:31:25,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 05:31:25,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 05:31:25,244 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 05:31:25,245 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 05:31:25,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 05:31:25,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 05:31:25,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 05:31:25,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 05:31:25,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 05:31:25,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 05:31:25,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:31:25,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 05:31:25,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 05:31:25,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 05:31:25,248 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 05:31:25,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 05:31:25,248 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 05:31:25,248 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 05:31:25,248 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 05:31:25,249 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 05:31:25,249 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a20160bba21687cb57a07e35d1c7f0f20f9fc26125afd436a393ae4b40571e89 [2024-10-13 05:31:25,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 05:31:25,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 05:31:25,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 05:31:25,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 05:31:25,480 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 05:31:25,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-98.i [2024-10-13 05:31:26,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 05:31:26,995 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 05:31:26,995 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-98.i [2024-10-13 05:31:27,012 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6a0d5bf/9732273c87e943da81bc875cbd2de49d/FLAGdab4d2154 [2024-10-13 05:31:27,318 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6a0d5bf/9732273c87e943da81bc875cbd2de49d [2024-10-13 05:31:27,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 05:31:27,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 05:31:27,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 05:31:27,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 05:31:27,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 05:31:27,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:31:27" (1/1) ... [2024-10-13 05:31:27,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed1d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27, skipping insertion in model container [2024-10-13 05:31:27,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:31:27" (1/1) ... [2024-10-13 05:31:27,377 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 05:31:27,516 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-98.i[916,929] [2024-10-13 05:31:27,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:31:27,719 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 05:31:27,729 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-98.i[916,929] [2024-10-13 05:31:27,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:31:27,884 INFO L204 MainTranslator]: Completed translation [2024-10-13 05:31:27,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27 WrapperNode [2024-10-13 05:31:27,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 05:31:27,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 05:31:27,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 05:31:27,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 05:31:27,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27" (1/1) ... [2024-10-13 05:31:27,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27" (1/1) ... [2024-10-13 05:31:27,993 INFO L138 Inliner]: procedures = 26, calls = 71, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 673 [2024-10-13 05:31:27,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 05:31:27,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 05:31:27,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 05:31:27,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 05:31:28,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27" (1/1) ... [2024-10-13 05:31:28,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27" (1/1) ... [2024-10-13 05:31:28,019 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27" (1/1) ... [2024-10-13 05:31:28,059 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 05:31:28,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27" (1/1) ... [2024-10-13 05:31:28,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27" (1/1) ... [2024-10-13 05:31:28,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27" (1/1) ... [2024-10-13 05:31:28,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27" (1/1) ... [2024-10-13 05:31:28,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27" (1/1) ... [2024-10-13 05:31:28,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27" (1/1) ... [2024-10-13 05:31:28,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 05:31:28,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 05:31:28,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 05:31:28,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 05:31:28,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27" (1/1) ... [2024-10-13 05:31:28,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:31:28,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:31:28,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 05:31:28,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 05:31:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 05:31:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 05:31:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 05:31:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 05:31:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 05:31:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 05:31:28,284 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 05:31:28,285 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 05:31:29,158 INFO L? ?]: Removed 101 outVars from TransFormulas that were not future-live. [2024-10-13 05:31:29,159 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 05:31:29,201 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 05:31:29,203 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 05:31:29,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:31:29 BoogieIcfgContainer [2024-10-13 05:31:29,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 05:31:29,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 05:31:29,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 05:31:29,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 05:31:29,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:31:27" (1/3) ... [2024-10-13 05:31:29,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa27d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:31:29, skipping insertion in model container [2024-10-13 05:31:29,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:27" (2/3) ... [2024-10-13 05:31:29,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa27d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:31:29, skipping insertion in model container [2024-10-13 05:31:29,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:31:29" (3/3) ... [2024-10-13 05:31:29,211 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-98.i [2024-10-13 05:31:29,223 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 05:31:29,224 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 05:31:29,292 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 05:31:29,299 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@378cd2e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 05:31:29,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 05:31:29,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 196 states have (on average 1.5561224489795917) internal successors, (305), 197 states have internal predecessors, (305), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-13 05:31:29,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-13 05:31:29,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:31:29,329 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:31:29,331 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:31:29,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:31:29,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1242353692, now seen corresponding path program 1 times [2024-10-13 05:31:29,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:31:29,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254318187] [2024-10-13 05:31:29,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:31:29,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:31:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:31:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:31:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:31:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:31:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 05:31:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:31:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 05:31:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:31:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 05:31:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:31:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 05:31:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:31:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 05:31:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:31:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 05:31:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:31:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 05:31:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:31:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 05:31:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 05:31:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 05:31:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:31:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 05:31:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 05:31:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 05:31:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 05:31:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 05:31:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 05:31:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:31:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 05:31:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:31:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:31:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:31:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:31:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:31:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:31:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:31:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:31:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:31:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 05:31:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:31:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 05:31:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:31:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 05:31:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:31:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:31:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:31:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:31:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:31:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:31:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:29,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:31:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:31:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:31:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:31:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:31:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:31:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-13 05:31:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-13 05:31:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-13 05:31:30,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:31:30,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254318187] [2024-10-13 05:31:30,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254318187] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:31:30,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:31:30,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 05:31:30,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099019782] [2024-10-13 05:31:30,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:31:30,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 05:31:30,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:31:30,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 05:31:30,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 05:31:30,071 INFO L87 Difference]: Start difference. First operand has 257 states, 196 states have (on average 1.5561224489795917) internal successors, (305), 197 states have internal predecessors, (305), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 59.0) internal successors, (118), 2 states have internal predecessors, (118), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) [2024-10-13 05:31:30,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:31:30,141 INFO L93 Difference]: Finished difference Result 511 states and 898 transitions. [2024-10-13 05:31:30,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 05:31:30,144 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 59.0) internal successors, (118), 2 states have internal predecessors, (118), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) Word has length 405 [2024-10-13 05:31:30,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:31:30,153 INFO L225 Difference]: With dead ends: 511 [2024-10-13 05:31:30,153 INFO L226 Difference]: Without dead ends: 255 [2024-10-13 05:31:30,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 05:31:30,160 INFO L432 NwaCegarLoop]: 413 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:31:30,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 413 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:31:30,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-10-13 05:31:30,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2024-10-13 05:31:30,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 195 states have (on average 1.5384615384615385) internal successors, (300), 195 states have internal predecessors, (300), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-13 05:31:30,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 416 transitions. [2024-10-13 05:31:30,234 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 416 transitions. Word has length 405 [2024-10-13 05:31:30,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:31:30,235 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 416 transitions. [2024-10-13 05:31:30,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.0) internal successors, (118), 2 states have internal predecessors, (118), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) [2024-10-13 05:31:30,235 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 416 transitions. [2024-10-13 05:31:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-13 05:31:30,244 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:31:30,244 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:31:30,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 05:31:30,245 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:31:30,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:31:30,245 INFO L85 PathProgramCache]: Analyzing trace with hash -118030112, now seen corresponding path program 1 times [2024-10-13 05:31:30,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:31:30,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271717095] [2024-10-13 05:31:30,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:31:30,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:31:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:31:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:31:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:31:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:31:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 05:31:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:31:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 05:31:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:31:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 05:31:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:31:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 05:31:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:31:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 05:31:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:31:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 05:31:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:31:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 05:31:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:31:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 05:31:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 05:31:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 05:31:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:31:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 05:31:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 05:31:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 05:31:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 05:31:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 05:31:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 05:31:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:31:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 05:31:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:31:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:31:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:31:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:31:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:31:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:31:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:31:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:31:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:31:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 05:31:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:31:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 05:31:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:31:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 05:31:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:31:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:31:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:31:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:31:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:31:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:31:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:31:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:31:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:31:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:31:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:31:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:31:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-13 05:31:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-13 05:31:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-13 05:31:30,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:31:30,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271717095] [2024-10-13 05:31:30,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271717095] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:31:30,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:31:30,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:31:30,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755453246] [2024-10-13 05:31:30,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:31:30,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:31:30,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:31:30,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:31:30,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:31:30,677 INFO L87 Difference]: Start difference. First operand 255 states and 416 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:30,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:31:30,818 INFO L93 Difference]: Finished difference Result 730 states and 1189 transitions. [2024-10-13 05:31:30,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:31:30,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 405 [2024-10-13 05:31:30,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:31:30,825 INFO L225 Difference]: With dead ends: 730 [2024-10-13 05:31:30,826 INFO L226 Difference]: Without dead ends: 476 [2024-10-13 05:31:30,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:31:30,829 INFO L432 NwaCegarLoop]: 738 mSDtfsCounter, 380 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:31:30,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 1091 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:31:30,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-10-13 05:31:30,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 325. [2024-10-13 05:31:30,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 265 states have (on average 1.558490566037736) internal successors, (413), 265 states have internal predecessors, (413), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-13 05:31:30,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 529 transitions. [2024-10-13 05:31:30,856 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 529 transitions. Word has length 405 [2024-10-13 05:31:30,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:31:30,858 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 529 transitions. [2024-10-13 05:31:30,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:30,859 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 529 transitions. [2024-10-13 05:31:30,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-13 05:31:30,864 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:31:30,864 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:31:30,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 05:31:30,865 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:31:30,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:31:30,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1637303262, now seen corresponding path program 1 times [2024-10-13 05:31:30,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:31:30,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151041962] [2024-10-13 05:31:30,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:31:30,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:31:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:31:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:31:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:31:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:31:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 05:31:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:31:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 05:31:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:31:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 05:31:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:31:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 05:31:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:31:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 05:31:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:31:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 05:31:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:31:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 05:31:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:31:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 05:31:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 05:31:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 05:31:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:31:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 05:31:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 05:31:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 05:31:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 05:31:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 05:31:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 05:31:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:31:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 05:31:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:31:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:31:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:31:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:31:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:31:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:31:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:31:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:31:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:31:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 05:31:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:31:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 05:31:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:31:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 05:31:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:31:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:31:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:31:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:31:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:31:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:31:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:31:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:31:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:31:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:31:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:31:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:31:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-13 05:31:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-13 05:31:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-13 05:31:31,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:31:31,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151041962] [2024-10-13 05:31:31,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151041962] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:31:31,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:31:31,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:31:31,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475184987] [2024-10-13 05:31:31,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:31:31,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:31:31,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:31:31,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:31:31,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:31:31,373 INFO L87 Difference]: Start difference. First operand 325 states and 529 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:31,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:31:31,419 INFO L93 Difference]: Finished difference Result 973 states and 1585 transitions. [2024-10-13 05:31:31,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:31:31,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 405 [2024-10-13 05:31:31,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:31:31,423 INFO L225 Difference]: With dead ends: 973 [2024-10-13 05:31:31,424 INFO L226 Difference]: Without dead ends: 649 [2024-10-13 05:31:31,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:31:31,425 INFO L432 NwaCegarLoop]: 409 mSDtfsCounter, 262 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:31:31,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 816 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:31:31,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-10-13 05:31:31,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 647. [2024-10-13 05:31:31,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 528 states have (on average 1.5568181818181819) internal successors, (822), 528 states have internal predecessors, (822), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-10-13 05:31:31,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 1054 transitions. [2024-10-13 05:31:31,483 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 1054 transitions. Word has length 405 [2024-10-13 05:31:31,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:31:31,485 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 1054 transitions. [2024-10-13 05:31:31,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:31,485 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1054 transitions. [2024-10-13 05:31:31,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-13 05:31:31,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:31:31,490 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:31:31,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 05:31:31,490 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:31:31,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:31:31,491 INFO L85 PathProgramCache]: Analyzing trace with hash 2060005088, now seen corresponding path program 1 times [2024-10-13 05:31:31,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:31:31,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935145181] [2024-10-13 05:31:31,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:31:31,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:31:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:31:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:31:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:31:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:31:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 05:31:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:31:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 05:31:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:31:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 05:31:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:31:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 05:31:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:31:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 05:31:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:31:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 05:31:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:31:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 05:31:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:31:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 05:31:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 05:31:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 05:31:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:31:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 05:31:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 05:31:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 05:31:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 05:31:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 05:31:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 05:31:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:31:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 05:31:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:31:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:31:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:31:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:31:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:31:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:31:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:31:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:31:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:31:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 05:31:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:31:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 05:31:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:31:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 05:31:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:31:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:31:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:31:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:31:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:31:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:31:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:31:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:31:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:31:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:31:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:31:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:31:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-13 05:31:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-13 05:31:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-13 05:31:31,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:31:31,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935145181] [2024-10-13 05:31:31,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935145181] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:31:31,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:31:31,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:31:31,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419995565] [2024-10-13 05:31:31,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:31:31,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:31:31,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:31:31,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:31:31,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:31:31,815 INFO L87 Difference]: Start difference. First operand 647 states and 1054 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:31,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:31:31,922 INFO L93 Difference]: Finished difference Result 1931 states and 3144 transitions. [2024-10-13 05:31:31,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:31:31,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 405 [2024-10-13 05:31:31,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:31:31,928 INFO L225 Difference]: With dead ends: 1931 [2024-10-13 05:31:31,928 INFO L226 Difference]: Without dead ends: 1285 [2024-10-13 05:31:31,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:31:31,931 INFO L432 NwaCegarLoop]: 793 mSDtfsCounter, 399 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:31:31,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 1180 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:31:31,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2024-10-13 05:31:32,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1267. [2024-10-13 05:31:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 1030 states have (on average 1.5398058252427185) internal successors, (1586), 1030 states have internal predecessors, (1586), 232 states have call successors, (232), 4 states have call predecessors, (232), 4 states have return successors, (232), 232 states have call predecessors, (232), 232 states have call successors, (232) [2024-10-13 05:31:32,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 2050 transitions. [2024-10-13 05:31:32,013 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 2050 transitions. Word has length 405 [2024-10-13 05:31:32,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:31:32,016 INFO L471 AbstractCegarLoop]: Abstraction has 1267 states and 2050 transitions. [2024-10-13 05:31:32,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:32,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 2050 transitions. [2024-10-13 05:31:32,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-13 05:31:32,021 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:31:32,021 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:31:32,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 05:31:32,022 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:31:32,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:31:32,023 INFO L85 PathProgramCache]: Analyzing trace with hash 120553248, now seen corresponding path program 1 times [2024-10-13 05:31:32,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:31:32,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234447529] [2024-10-13 05:31:32,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:31:32,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:31:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:31:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:31:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:31:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:31:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 05:31:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:31:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 05:31:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:31:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 05:31:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:31:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 05:31:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:31:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 05:31:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:31:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 05:31:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:31:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 05:31:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:31:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 05:31:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 05:31:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 05:31:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:31:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 05:31:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 05:31:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 05:31:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 05:31:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 05:31:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 05:31:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:31:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 05:31:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:31:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:31:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:31:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:31:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:31:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:31:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:31:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:31:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:31:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 05:31:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:31:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 05:31:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:31:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 05:31:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:31:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:31:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:31:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:31:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:31:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:31:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:31:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:31:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:31:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:31:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:31:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:31:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-13 05:31:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-13 05:31:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-13 05:31:32,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:31:32,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234447529] [2024-10-13 05:31:32,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234447529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:31:32,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:31:32,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 05:31:32,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154003036] [2024-10-13 05:31:32,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:31:32,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 05:31:32,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:31:32,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 05:31:32,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 05:31:32,681 INFO L87 Difference]: Start difference. First operand 1267 states and 2050 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:33,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:31:33,849 INFO L93 Difference]: Finished difference Result 7731 states and 12520 transitions. [2024-10-13 05:31:33,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 05:31:33,849 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 405 [2024-10-13 05:31:33,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:31:33,877 INFO L225 Difference]: With dead ends: 7731 [2024-10-13 05:31:33,878 INFO L226 Difference]: Without dead ends: 6465 [2024-10-13 05:31:33,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 05:31:33,886 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 1912 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 586 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1912 SdHoareTripleChecker+Valid, 2242 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 586 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 05:31:33,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1912 Valid, 2242 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [586 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 05:31:33,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6465 states. [2024-10-13 05:31:34,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6465 to 2975. [2024-10-13 05:31:34,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2975 states, 2502 states have (on average 1.5515587529976018) internal successors, (3882), 2502 states have internal predecessors, (3882), 464 states have call successors, (464), 8 states have call predecessors, (464), 8 states have return successors, (464), 464 states have call predecessors, (464), 464 states have call successors, (464) [2024-10-13 05:31:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2975 states and 4810 transitions. [2024-10-13 05:31:34,099 INFO L78 Accepts]: Start accepts. Automaton has 2975 states and 4810 transitions. Word has length 405 [2024-10-13 05:31:34,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:31:34,100 INFO L471 AbstractCegarLoop]: Abstraction has 2975 states and 4810 transitions. [2024-10-13 05:31:34,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:34,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2975 states and 4810 transitions. [2024-10-13 05:31:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-13 05:31:34,106 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:31:34,106 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:31:34,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 05:31:34,106 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:31:34,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:31:34,107 INFO L85 PathProgramCache]: Analyzing trace with hash 535483352, now seen corresponding path program 1 times [2024-10-13 05:31:34,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:31:34,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88365180] [2024-10-13 05:31:34,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:31:34,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:31:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:31:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:31:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:31:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:31:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 05:31:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:31:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 05:31:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:31:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 05:31:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:31:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 05:31:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:31:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 05:31:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:31:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 05:31:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:31:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 05:31:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:31:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 05:31:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 05:31:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 05:31:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:31:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 05:31:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 05:31:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 05:31:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 05:31:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 05:31:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 05:31:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:31:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 05:31:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:31:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:31:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:31:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:31:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:31:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:31:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:31:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:31:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:31:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 05:31:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:31:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 05:31:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:31:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 05:31:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:31:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:31:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:31:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:31:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:31:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:31:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:31:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:31:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:31:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:31:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:31:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:31:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-13 05:31:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-13 05:31:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-13 05:31:34,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:31:34,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88365180] [2024-10-13 05:31:34,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88365180] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:31:34,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:31:34,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:31:34,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108613253] [2024-10-13 05:31:34,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:31:34,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:31:34,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:31:34,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:31:34,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:31:34,866 INFO L87 Difference]: Start difference. First operand 2975 states and 4810 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:35,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:31:35,242 INFO L93 Difference]: Finished difference Result 7143 states and 11500 transitions. [2024-10-13 05:31:35,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:31:35,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 405 [2024-10-13 05:31:35,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:31:35,259 INFO L225 Difference]: With dead ends: 7143 [2024-10-13 05:31:35,259 INFO L226 Difference]: Without dead ends: 4169 [2024-10-13 05:31:35,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:31:35,269 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 160 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 05:31:35,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 707 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 05:31:35,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4169 states. [2024-10-13 05:31:35,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4169 to 4159. [2024-10-13 05:31:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4159 states, 3638 states have (on average 1.5552501374381529) internal successors, (5658), 3646 states have internal predecessors, (5658), 504 states have call successors, (504), 16 states have call predecessors, (504), 16 states have return successors, (504), 496 states have call predecessors, (504), 504 states have call successors, (504) [2024-10-13 05:31:35,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4159 states to 4159 states and 6666 transitions. [2024-10-13 05:31:35,472 INFO L78 Accepts]: Start accepts. Automaton has 4159 states and 6666 transitions. Word has length 405 [2024-10-13 05:31:35,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:31:35,473 INFO L471 AbstractCegarLoop]: Abstraction has 4159 states and 6666 transitions. [2024-10-13 05:31:35,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:35,473 INFO L276 IsEmpty]: Start isEmpty. Operand 4159 states and 6666 transitions. [2024-10-13 05:31:35,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-13 05:31:35,480 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:31:35,480 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:31:35,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 05:31:35,480 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:31:35,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:31:35,481 INFO L85 PathProgramCache]: Analyzing trace with hash -908806050, now seen corresponding path program 1 times [2024-10-13 05:31:35,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:31:35,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880007988] [2024-10-13 05:31:35,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:31:35,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:31:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:35,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:31:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:31:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:31:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:31:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 05:31:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:31:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 05:31:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:31:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 05:31:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:31:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 05:31:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:31:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 05:31:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:31:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 05:31:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:31:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 05:31:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:31:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 05:31:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 05:31:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 05:31:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:31:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 05:31:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 05:31:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 05:31:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 05:31:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 05:31:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 05:31:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:31:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 05:31:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:31:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:31:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:31:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:31:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:31:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:31:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:31:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:31:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:31:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 05:31:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:31:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 05:31:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:31:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 05:31:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:31:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:31:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:31:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:31:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:31:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:31:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:31:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:31:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:31:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:31:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:31:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:31:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-13 05:31:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-13 05:31:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:36,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-13 05:31:36,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:31:36,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880007988] [2024-10-13 05:31:36,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880007988] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:31:36,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:31:36,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:31:36,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633843779] [2024-10-13 05:31:36,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:31:36,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:31:36,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:31:36,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:31:36,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:31:36,115 INFO L87 Difference]: Start difference. First operand 4159 states and 6666 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:36,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:31:36,296 INFO L93 Difference]: Finished difference Result 8458 states and 13558 transitions. [2024-10-13 05:31:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:31:36,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 405 [2024-10-13 05:31:36,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:31:36,314 INFO L225 Difference]: With dead ends: 8458 [2024-10-13 05:31:36,314 INFO L226 Difference]: Without dead ends: 4300 [2024-10-13 05:31:36,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:31:36,323 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 403 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:31:36,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 807 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:31:36,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4300 states. [2024-10-13 05:31:36,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4300 to 4159. [2024-10-13 05:31:36,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4159 states, 3638 states have (on average 1.5398570643210556) internal successors, (5602), 3646 states have internal predecessors, (5602), 504 states have call successors, (504), 16 states have call predecessors, (504), 16 states have return successors, (504), 496 states have call predecessors, (504), 504 states have call successors, (504) [2024-10-13 05:31:36,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4159 states to 4159 states and 6610 transitions. [2024-10-13 05:31:36,530 INFO L78 Accepts]: Start accepts. Automaton has 4159 states and 6610 transitions. Word has length 405 [2024-10-13 05:31:36,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:31:36,531 INFO L471 AbstractCegarLoop]: Abstraction has 4159 states and 6610 transitions. [2024-10-13 05:31:36,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand 4159 states and 6610 transitions. [2024-10-13 05:31:36,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-13 05:31:36,537 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:31:36,537 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:31:36,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 05:31:36,538 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:31:36,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:31:36,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1389886308, now seen corresponding path program 1 times [2024-10-13 05:31:36,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:31:36,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110252879] [2024-10-13 05:31:36,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:31:36,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:31:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:31:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:31:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:31:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:31:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 05:31:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:31:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 05:31:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:31:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 05:31:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:31:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 05:31:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:31:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 05:31:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:31:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 05:31:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:31:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 05:31:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:31:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 05:31:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 05:31:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 05:31:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:31:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 05:31:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 05:31:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 05:31:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 05:31:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 05:31:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 05:31:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:31:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 05:31:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:31:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:31:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:31:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:31:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:31:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:31:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:31:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:31:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:31:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 05:31:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:31:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 05:31:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:31:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 05:31:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:31:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:31:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:31:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:31:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:31:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:31:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:31:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:31:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:31:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:31:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:31:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:31:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-13 05:31:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-13 05:31:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:37,178 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-13 05:31:37,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:31:37,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110252879] [2024-10-13 05:31:37,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110252879] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:31:37,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:31:37,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 05:31:37,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100860467] [2024-10-13 05:31:37,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:31:37,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 05:31:37,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:31:37,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 05:31:37,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:31:37,181 INFO L87 Difference]: Start difference. First operand 4159 states and 6610 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:37,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:31:37,727 INFO L93 Difference]: Finished difference Result 12003 states and 19064 transitions. [2024-10-13 05:31:37,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 05:31:37,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 405 [2024-10-13 05:31:37,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:31:37,764 INFO L225 Difference]: With dead ends: 12003 [2024-10-13 05:31:37,767 INFO L226 Difference]: Without dead ends: 7845 [2024-10-13 05:31:37,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:31:37,776 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 374 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1444 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 05:31:37,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1444 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 05:31:37,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7845 states. [2024-10-13 05:31:38,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7845 to 4815. [2024-10-13 05:31:38,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4815 states, 4294 states have (on average 1.5337680484396832) internal successors, (6586), 4302 states have internal predecessors, (6586), 504 states have call successors, (504), 16 states have call predecessors, (504), 16 states have return successors, (504), 496 states have call predecessors, (504), 504 states have call successors, (504) [2024-10-13 05:31:38,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4815 states to 4815 states and 7594 transitions. [2024-10-13 05:31:38,144 INFO L78 Accepts]: Start accepts. Automaton has 4815 states and 7594 transitions. Word has length 405 [2024-10-13 05:31:38,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:31:38,144 INFO L471 AbstractCegarLoop]: Abstraction has 4815 states and 7594 transitions. [2024-10-13 05:31:38,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:38,145 INFO L276 IsEmpty]: Start isEmpty. Operand 4815 states and 7594 transitions. [2024-10-13 05:31:38,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-13 05:31:38,152 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:31:38,152 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:31:38,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 05:31:38,153 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:31:38,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:31:38,153 INFO L85 PathProgramCache]: Analyzing trace with hash 854096990, now seen corresponding path program 1 times [2024-10-13 05:31:38,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:31:38,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396596180] [2024-10-13 05:31:38,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:31:38,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:31:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:31:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:31:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:31:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:31:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 05:31:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:31:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 05:31:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:31:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 05:31:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:31:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 05:31:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:31:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 05:31:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:31:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 05:31:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:31:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 05:31:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:31:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 05:31:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 05:31:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 05:31:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:31:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 05:31:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 05:31:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 05:31:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 05:31:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 05:31:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 05:31:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:31:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 05:31:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:31:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:31:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:31:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:31:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:31:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:31:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:31:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:31:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:31:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 05:31:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:31:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 05:31:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:31:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 05:31:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:31:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:31:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:31:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:31:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:31:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:31:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:31:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:31:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:31:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:31:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:31:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:31:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-13 05:31:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-13 05:31:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-13 05:31:39,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:31:39,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396596180] [2024-10-13 05:31:39,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396596180] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:31:39,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:31:39,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 05:31:39,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834230170] [2024-10-13 05:31:39,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:31:39,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 05:31:39,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:31:39,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 05:31:39,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-13 05:31:39,802 INFO L87 Difference]: Start difference. First operand 4815 states and 7594 transitions. Second operand has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 11 states have internal predecessors, (118), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2024-10-13 05:31:42,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:31:42,435 INFO L93 Difference]: Finished difference Result 36991 states and 58069 transitions. [2024-10-13 05:31:42,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 05:31:42,436 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 11 states have internal predecessors, (118), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 405 [2024-10-13 05:31:42,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:31:42,516 INFO L225 Difference]: With dead ends: 36991 [2024-10-13 05:31:42,517 INFO L226 Difference]: Without dead ends: 32177 [2024-10-13 05:31:42,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=431, Unknown=0, NotChecked=0, Total=600 [2024-10-13 05:31:42,541 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 4148 mSDsluCounter, 2583 mSDsCounter, 0 mSdLazyCounter, 1650 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4148 SdHoareTripleChecker+Valid, 3028 SdHoareTripleChecker+Invalid, 1963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 1650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-13 05:31:42,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4148 Valid, 3028 Invalid, 1963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 1650 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-13 05:31:42,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32177 states. [2024-10-13 05:31:43,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32177 to 13729. [2024-10-13 05:31:43,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13729 states, 12708 states have (on average 1.5503619767075858) internal successors, (19702), 12718 states have internal predecessors, (19702), 978 states have call successors, (978), 42 states have call predecessors, (978), 42 states have return successors, (978), 968 states have call predecessors, (978), 978 states have call successors, (978) [2024-10-13 05:31:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13729 states to 13729 states and 21658 transitions. [2024-10-13 05:31:43,246 INFO L78 Accepts]: Start accepts. Automaton has 13729 states and 21658 transitions. Word has length 405 [2024-10-13 05:31:43,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:31:43,246 INFO L471 AbstractCegarLoop]: Abstraction has 13729 states and 21658 transitions. [2024-10-13 05:31:43,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 11 states have internal predecessors, (118), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2024-10-13 05:31:43,247 INFO L276 IsEmpty]: Start isEmpty. Operand 13729 states and 21658 transitions. [2024-10-13 05:31:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-13 05:31:43,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:31:43,263 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:31:43,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 05:31:43,264 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:31:43,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:31:43,264 INFO L85 PathProgramCache]: Analyzing trace with hash -834846752, now seen corresponding path program 1 times [2024-10-13 05:31:43,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:31:43,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063077926] [2024-10-13 05:31:43,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:31:43,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:31:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:31:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:31:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:31:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:31:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 05:31:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:31:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 05:31:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:31:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 05:31:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:31:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 05:31:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:31:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 05:31:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:31:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 05:31:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:31:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 05:31:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:31:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 05:31:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 05:31:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 05:31:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:31:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 05:31:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 05:31:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 05:31:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 05:31:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 05:31:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 05:31:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:31:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 05:31:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:31:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:31:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:31:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:31:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:31:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:31:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:31:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:31:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:31:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 05:31:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:31:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 05:31:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:31:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 05:31:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:31:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:31:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:31:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:31:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:31:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:31:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:31:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:31:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:31:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:31:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:31:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:31:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-13 05:31:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-13 05:31:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:31:46,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-13 05:31:46,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:31:46,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063077926] [2024-10-13 05:31:46,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063077926] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:31:46,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:31:46,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 05:31:46,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113310329] [2024-10-13 05:31:46,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:31:46,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 05:31:46,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:31:46,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 05:31:46,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:31:46,929 INFO L87 Difference]: Start difference. First operand 13729 states and 21658 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:48,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:31:48,337 INFO L93 Difference]: Finished difference Result 27450 states and 43303 transitions. [2024-10-13 05:31:48,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 05:31:48,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 405 [2024-10-13 05:31:48,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:31:48,373 INFO L225 Difference]: With dead ends: 27450 [2024-10-13 05:31:48,374 INFO L226 Difference]: Without dead ends: 13729 [2024-10-13 05:31:48,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 05:31:48,394 INFO L432 NwaCegarLoop]: 362 mSDtfsCounter, 350 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:31:48,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 703 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 05:31:48,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13729 states. [2024-10-13 05:31:48,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13729 to 13729. [2024-10-13 05:31:48,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13729 states, 12708 states have (on average 1.542020774315392) internal successors, (19596), 12718 states have internal predecessors, (19596), 978 states have call successors, (978), 42 states have call predecessors, (978), 42 states have return successors, (978), 968 states have call predecessors, (978), 978 states have call successors, (978) [2024-10-13 05:31:48,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13729 states to 13729 states and 21552 transitions. [2024-10-13 05:31:48,927 INFO L78 Accepts]: Start accepts. Automaton has 13729 states and 21552 transitions. Word has length 405 [2024-10-13 05:31:48,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:31:48,929 INFO L471 AbstractCegarLoop]: Abstraction has 13729 states and 21552 transitions. [2024-10-13 05:31:48,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-13 05:31:48,929 INFO L276 IsEmpty]: Start isEmpty. Operand 13729 states and 21552 transitions. [2024-10-13 05:31:48,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-10-13 05:31:48,943 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:31:48,943 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:31:48,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 05:31:48,943 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:31:48,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:31:48,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1212934405, now seen corresponding path program 1 times [2024-10-13 05:31:48,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:31:48,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169709463] [2024-10-13 05:31:48,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:31:48,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:31:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat